Method of data handling and activating thermal print elements in

Details Method of data handling and activating thermal print elements in Method of data handling and activating thermal print elements in

1993-12-23

1996-08-20

Powell, Mark R.

Recorders

Record receiver deforming

346 76PH, 347195, 347211, 347180, B41J 236

Patent

active

055486886

ABSTRACT:
A method of supplying an energization signal to a selected element in an array of print elements. Printing activity of the selected element and neighboring elements is determined, compressed and stored to memory. Based on the stored compressed printing activity data, an energization schedule for the selected element is determined using a look-up table technique. The data in the look-up table may also be compressed reducing the memory required by the energization data. Further reductions in memory are achieved by grouping portions of the printing activity data to identify common energization schedules for differing printing activities. The printing activity data may relate to temporal distributions and/or spatial distributions of printing activity of elements in the array. The method may be applied to linear or two-dimensional arrays of print elements.

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